FR2344848A1 - Systeme de radio-navigation a balayages en correlation separes pour eviter les reflexions parasites - Google Patents

Systeme de radio-navigation a balayages en correlation separes pour eviter les reflexions parasites

Info

Publication number
FR2344848A1
FR2344848A1 FR7707838A FR7707838A FR2344848A1 FR 2344848 A1 FR2344848 A1 FR 2344848A1 FR 7707838 A FR7707838 A FR 7707838A FR 7707838 A FR7707838 A FR 7707838A FR 2344848 A1 FR2344848 A1 FR 2344848A1
Authority
FR
France
Prior art keywords
radio
navigation system
parasitic reflections
avoid parasitic
separate correlation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR7707838A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tull Aviation Corp
Original Assignee
Tull Aviation Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tull Aviation Corp filed Critical Tull Aviation Corp
Publication of FR2344848A1 publication Critical patent/FR2344848A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
    • G01S1/54—Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon
    • G01S1/56—Timing the pulse-type envelope signals derived by reception of the beam
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
    • G01S1/54—Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
FR7707838A 1976-03-19 1977-03-16 Systeme de radio-navigation a balayages en correlation separes pour eviter les reflexions parasites Pending FR2344848A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,696 US4041492A (en) 1976-03-19 1976-03-19 Radio navigation with separate correlated scans to avoid reflection interference

Publications (1)

Publication Number Publication Date
FR2344848A1 true FR2344848A1 (fr) 1977-10-14

Family

ID=24683377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707838A Pending FR2344848A1 (fr) 1976-03-19 1977-03-16 Systeme de radio-navigation a balayages en correlation separes pour eviter les reflexions parasites

Country Status (12)

Country Link
US (1) US4041492A (cs)
JP (1) JPS52114291A (cs)
AU (1) AU499956B2 (cs)
BE (1) BE852599A (cs)
CA (1) CA1106045A (cs)
CH (1) CH613782A5 (cs)
DE (1) DE2711436A1 (cs)
FR (1) FR2344848A1 (cs)
GB (1) GB1515501A (cs)
IT (1) IT1076402B (cs)
NL (1) NL7702468A (cs)
SE (1) SE7703064L (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306239A (en) 1979-07-06 1981-12-15 Plessey Handel Und Investments Ag Microwave landing systems
DE3618628A1 (de) * 1986-06-03 1987-12-10 Standard Elektrik Lorenz Ag Nach dem strahlschwenkverfahren arbeitendes mikrowellenlandesystem

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716863A (en) * 1970-08-06 1973-02-13 American Nucleonics Corp Instrument landing error correcting system
US3757337A (en) * 1970-09-11 1973-09-04 G Litchford Aircraft instrument landing system
US3911437A (en) * 1974-01-21 1975-10-07 Raytheon Co Aircraft instrument landing system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2112283A (en) * 1935-05-27 1938-03-29 Telefunken Gmbh Direction finding system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716863A (en) * 1970-08-06 1973-02-13 American Nucleonics Corp Instrument landing error correcting system
US3757337A (en) * 1970-09-11 1973-09-04 G Litchford Aircraft instrument landing system
US3911437A (en) * 1974-01-21 1975-10-07 Raytheon Co Aircraft instrument landing system

Also Published As

Publication number Publication date
IT1076402B (it) 1985-04-27
AU499956B2 (en) 1979-05-03
US4041492A (en) 1977-08-09
BE852599A (fr) 1977-07-18
JPS52114291A (en) 1977-09-24
AU2270777A (en) 1978-08-31
CA1106045A (en) 1981-07-28
GB1515501A (en) 1978-06-28
NL7702468A (nl) 1977-09-21
DE2711436A1 (de) 1977-09-22
CH613782A5 (cs) 1979-10-15
SE7703064L (sv) 1977-09-20

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